The Big 12 has narrowed its future configuration to either 10 or 12 schools, the conference's interim commissioner Chuck Neinas said Saturday.

Neinas, who was at the Cotton Bowl for the Texas-Oklahoma game, cleared his most pressing concern earlier this week by offering TCU an invitation to join the league.

"Our priorities are very clear," Neinas said. "Our first was to get a team that would replace (Texas) A&M and that was TCU. Our next priority is to retain Missouri. When that is resolved, we will move ahead."